
<h1><span class="yiyi-st" id="yiyi-12">numpy.imag</span></h1>
        <blockquote>
        <p>原文：<a href="https://docs.scipy.org/doc/numpy/reference/generated/numpy.imag.html">https://docs.scipy.org/doc/numpy/reference/generated/numpy.imag.html</a></p>
        <p>译者：<a href="https://github.com/wizardforcel">飞龙</a> <a href="http://usyiyi.cn/">UsyiyiCN</a></p>
        <p>校对：（虚位以待）</p>
        </blockquote>
    
<dl class="function">
<dt id="numpy.imag"><span class="yiyi-st" id="yiyi-13"> <code class="descclassname">numpy.</code><code class="descname">imag</code><span class="sig-paren">(</span><em>val</em><span class="sig-paren">)</span><a class="reference external" href="http://github.com/numpy/numpy/blob/v1.11.3/numpy/lib/type_check.py#L141-L170"><span class="viewcode-link">[source]</span></a></span></dt>
<dd><p><span class="yiyi-st" id="yiyi-14">返回数组的元素的虚部。</span></p>
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<tr class="field-odd field"><th class="field-name"><span class="yiyi-st" id="yiyi-15">参数：</span></th><td class="field-body"><p class="first"><span class="yiyi-st" id="yiyi-16"><strong>val</strong>：array_like</span></p>
<blockquote>
<div><p><span class="yiyi-st" id="yiyi-17">输入数组。</span></p>
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<tr class="field-even field"><th class="field-name"><span class="yiyi-st" id="yiyi-18">返回：</span></th><td class="field-body"><p class="first"><span class="yiyi-st" id="yiyi-19"><strong>out</strong>：ndarray</span></p>
<blockquote class="last">
<div><p><span class="yiyi-st" id="yiyi-20">输出数组。</span><span class="yiyi-st" id="yiyi-21">如果<em class="xref py py-obj">val</em>是实数，则<em class="xref py py-obj">val</em>的类型用于输出。</span><span class="yiyi-st" id="yiyi-22">如果<em class="xref py py-obj">val</em>有复杂元素，则返回的类型为float。</span></p>
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<div class="admonition seealso">
<p class="first admonition-title"><span class="yiyi-st" id="yiyi-23">也可以看看</span></p>
<p class="last"><span class="yiyi-st" id="yiyi-24"><a class="reference internal" href="numpy.real.html#numpy.real" title="numpy.real"><code class="xref py py-obj docutils literal"><span class="pre">real</span></code></a>，<a class="reference internal" href="numpy.angle.html#numpy.angle" title="numpy.angle"><code class="xref py py-obj docutils literal"><span class="pre">angle</span></code></a>，<a class="reference internal" href="numpy.real_if_close.html#numpy.real_if_close" title="numpy.real_if_close"><code class="xref py py-obj docutils literal"><span class="pre">real_if_close</span></code></a></span></p>
</div>
<p class="rubric"><span class="yiyi-st" id="yiyi-25">例子</span></p>
<div class="highlight-default"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">a</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">([</span><span class="mi">1</span><span class="o">+</span><span class="mi">2</span><span class="n">j</span><span class="p">,</span> <span class="mi">3</span><span class="o">+</span><span class="mi">4</span><span class="n">j</span><span class="p">,</span> <span class="mi">5</span><span class="o">+</span><span class="mi">6</span><span class="n">j</span><span class="p">])</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">a</span><span class="o">.</span><span class="n">imag</span>
<span class="go">array([ 2.,  4.,  6.])</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">a</span><span class="o">.</span><span class="n">imag</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">array</span><span class="p">([</span><span class="mi">8</span><span class="p">,</span> <span class="mi">10</span><span class="p">,</span> <span class="mi">12</span><span class="p">])</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">a</span>
<span class="go">array([ 1. +8.j,  3.+10.j,  5.+12.j])</span>
</pre></div>
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